When you move dynamic created on Windows 2000, Windows XP
Professional or Windows Server 2003 to another computer, you may be barred from
accessing the data on that disk. The only thing that you can see is that the status of
the disk is flagged as Foreign Dynamic Disk.

If you right click on the disk, you will find there are only two usable options:
Import dynamic disks and Convert
dynamic disk to basic disk. As you know, converting dynamic disk to basic
will wipe out all the existing data. Obviously, on one wants to see that happen.
Thus, there is only one available choice, importing dynamic disks. After you
clicking it, the following error messages may pop up: INTERNAL Error - The disk
group contains no valid configuration copies (C10000B6), INTERNAL Error - A disk
group with the specified name already exists (C100007A), etc. Thus, you cannot
import foreign disk.

Cannot import foreign disk solution

In order to fix the errors and import foreign disk successfully, registry
modification is required. However, using "Registry Editor" incorrectly
will cause serious disasters, such as the need of reinstallation of your operating
system when problems occur. So please be careful when you decide to try this
method.

Situation1. If your system/boot partition is still a basic disk,
follow the steps below to correct this condition:

After the dynamic disk become reactivated or on-line, you could use Partition Assistantto manage
the dynamic disk. This disk manager can resize both dynamic disk and basic
disk without losing data. (Include system volume and all software raid Array)